M 5.1 Earthquake: South Pacific Ocean (Tonga) — October 23, 1978

M 5.1 Earthquake: South Pacific Ocean (Tonga) — October 23, 1978. Epicenter 317 km S of Nuku'alofa, depth 33 km, 09:52 Local (1978-10-23 21:52 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (317 km S, Tonga) — -23.931, -175.863

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